Respuesta :

You have to find out the value of x first for A so you can multiply it by 2 -y to = 9 and the correct answer to A is x=6 because 2 x 6 = 12 - y= 9 and y=3 so 2 x 6 - 3 = 9 so The answer to A is x=6 and y=3. Hope this helps! :D
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